Inflatable mannikin



FIG. 1 is a perspective view of an inflatable mannikin showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is another perspective view thereof. 

The ornamental design for an inflatable mannikin, as shown. 